Duratrax NiMH Onyx 7.2V 2000mAh Stick TRA Plug FEATURES: Ideal sport pack for Traxxas cars, trucks and boats INCLUDES: DuraTrax NiMH 7.2V 2000mAh Onyx Battery with Traxxas Connector REQUIRES: NiMH compatible charger such as the Duratrax Onyx series Female Connector to Molex Male Connector Adapter, TRAC3061 (if using Onyx charger)